EP1587114A3 - Superconducting magnet apparatus - Google Patents

Superconducting magnet apparatus Download PDF

Info

Publication number
EP1587114A3
EP1587114A3 EP05252349A EP05252349A EP1587114A3 EP 1587114 A3 EP1587114 A3 EP 1587114A3 EP 05252349 A EP05252349 A EP 05252349A EP 05252349 A EP05252349 A EP 05252349A EP 1587114 A3 EP1587114 A3 EP 1587114A3
Authority
EP
European Patent Office
Prior art keywords
vacuum chamber
coils
superconducting magnet
magnet apparatus
conduit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05252349A
Other languages
German (de)
French (fr)
Other versions
EP1587114A2 (en
Inventor
Yasunori c/o Hitachi Ltd. I.P.G. Koga
Hiroyuke c/o Hitachi Ltd. I.P.G. Watanabe
Takashi c/o Hitachi Ltd. I.P.G. Ikeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP1587114A2 publication Critical patent/EP1587114A2/en
Publication of EP1587114A3 publication Critical patent/EP1587114A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/02—Quenching; Protection arrangements during quenching
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/006—Safety devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/406—Temperature sensor or protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/04—Cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

A superconducting magnet apparatus comprising a coil container for accommodating superconducting coils and liquefied cooling medium for cooling the coils down to the critical temperature or lower of a superconductor constituting the coils, a vacuum chamber for accommodating the coil container and for vacuum insulation from the atmosphere, and a conduit communicating the coil container at one end thereof and extending to the outside of the vacuum chamber at the other end. At least one heating device for heating the conduit is disposed at one or more positions of the conduit located within the vacuum chamber.
EP05252349A 2004-04-16 2005-04-15 Superconducting magnet apparatus Withdrawn EP1587114A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004121511 2004-04-16
JP2004121511A JP2005310811A (en) 2004-04-16 2004-04-16 Superconductive magnet device

Publications (2)

Publication Number Publication Date
EP1587114A2 EP1587114A2 (en) 2005-10-19
EP1587114A3 true EP1587114A3 (en) 2008-02-27

Family

ID=34940841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05252349A Withdrawn EP1587114A3 (en) 2004-04-16 2005-04-15 Superconducting magnet apparatus

Country Status (3)

Country Link
EP (1) EP1587114A3 (en)
JP (1) JP2005310811A (en)
CN (1) CN1684207A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101923148B (en) * 2010-05-21 2013-06-05 南京丰盛超导技术有限公司 Compact cold-junction container for superconductive magnet

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005058647B3 (en) * 2005-12-08 2007-08-09 Siemens Ag Quenching device for triggering a quench during raised water level has a cryogenic magnet and a magnetic resonance tomography device
JP4814630B2 (en) * 2005-12-21 2011-11-16 三菱電機株式会社 Superconducting magnet system
JP4796995B2 (en) * 2007-06-11 2011-10-19 株式会社日立製作所 Superconducting magnet device, magnetic resonance imaging device using the same, and nuclear magnetic resonance device
JP2009082308A (en) * 2007-09-28 2009-04-23 Ge Medical Systems Global Technology Co Llc Magnetic resonance imaging apparatus
JP5322489B2 (en) * 2008-04-29 2013-10-23 三菱電機株式会社 Superconducting magnet
GB2460022B (en) * 2008-05-12 2010-04-07 Siemens Magnet Technology Ltd Passive overpressure and underpressure protection for a cryogen vessel
CN101884532B (en) * 2009-05-15 2011-09-21 美时医疗技术(上海)有限公司 Superconductive magnetic resonance imager as well as manufacturing method and application
JP2010283186A (en) * 2009-06-05 2010-12-16 Hitachi Ltd Refrigerator-cooled superconducting magnet
US8729894B2 (en) * 2010-07-30 2014-05-20 General Electric Company System and method for operating a magnetic resonance imaging system during ramping
US9958519B2 (en) 2011-12-22 2018-05-01 General Electric Company Thermosiphon cooling for a magnet imaging system
CN103377788A (en) * 2012-04-27 2013-10-30 中国科学院高能物理研究所 Superconducting magnet system
CN105873509A (en) * 2013-11-29 2016-08-17 株式会社日立制作所 Magnetic resonance imaging apparatus
CN104865982B (en) * 2014-02-26 2018-04-24 西门子(深圳)磁共振有限公司 A kind of magnetic resonance imaging system and its pressure control device
CN104052040B (en) * 2014-06-24 2017-05-31 广东电网公司电网规划研究中心 A kind of saturable core type superconductive current limiter of utilization nitrogen reinforced insulation performance
US10490329B2 (en) 2015-04-10 2019-11-26 Mitsubishi Electric Corporation Superconducting magnet
DE102016211801B4 (en) * 2016-06-30 2022-07-14 Festo Se & Co. Kg System with cryostat arrangement
CN108630376A (en) * 2018-03-29 2018-10-09 杭州汉胜科磁体设备有限公司 Superconducting magnet two level cooling device and two level cooling means
CN109872857B (en) * 2019-02-14 2021-07-27 中国电力科学研究院有限公司 Low-temperature back field magnet and high-temperature superconducting unit alternating current loss measuring device
CN114520086A (en) * 2020-11-18 2022-05-20 松山湖材料实验室 Low-temperature cooling device and cooling system of dry superconducting magnet and operation method of cooling system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628364A (en) * 1979-08-09 1981-03-19 Mitsubishi Electric Corp Emergency gas discharging device
US5598710A (en) * 1994-07-04 1997-02-04 Hitachi, Ltd. Superconducting apparatus and method for operating said superconducting apparatus
GB2421299A (en) * 2004-12-16 2006-06-21 Gen Electric Melting ice in an exhaust tube of a container holding liquid helium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628364A (en) * 1979-08-09 1981-03-19 Mitsubishi Electric Corp Emergency gas discharging device
US5598710A (en) * 1994-07-04 1997-02-04 Hitachi, Ltd. Superconducting apparatus and method for operating said superconducting apparatus
GB2421299A (en) * 2004-12-16 2006-06-21 Gen Electric Melting ice in an exhaust tube of a container holding liquid helium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101923148B (en) * 2010-05-21 2013-06-05 南京丰盛超导技术有限公司 Compact cold-junction container for superconductive magnet

Also Published As

Publication number Publication date
JP2005310811A (en) 2005-11-04
CN1684207A (en) 2005-10-19
EP1587114A2 (en) 2005-10-19

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